Defender Dayot Upamecano believes Bayern Munich will have to be at the top of their game if they are to get the better of Benfica in the Champions League.
Bayern are 2/5 to leave Lisbon with three points on Wednesday evening, while the hosts are 13/2 to claim their second victory of the group stage and the draw is available at 4/1.
The Portuguese outfit showed their strength on the last match day when they claimed a 3-0 win over Barcelona, following a 1-1 in Ukraine against Dynamo Kyiv in their first outing.
Bayern beat Barca by the same scoreline, but even though they subsequently brushed Dynamo aside 5-0, the French defender has warned his team-mates that they can ill afford to be too casual when they head to Lisbon.
Benfica have won six of their last seven home matches in the competition and only surrendered their 100 per cent record in the Portuguese league when they suffered a shock 1-0 home defeat to Portimonense just before the international break.
The Eagles remain at the top of the table, a point ahead of FC Porto, so Upamecano knows the Bundesliga champions will not be able to take anything for granted.
He said: "They're an experienced team. They're playing at home and obviously want the points.
"We want and need to be prepared. We cannot concede any goals, that's the most important thing.
"There are no small teams in the Champions League, a win is never guaranteed. We won't lose sight of our objectives and we will stay focused - we will give everything to win."